Undersink shield



FIG. 1 is a perspective view of a design for an undersink shield in accordance with the invention;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof with the other side view being a mirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for an undersink shield, as shown and described. 